IC VCO

[Eric]

>Yes i know that  tube vcos has few parts..........BUT 
>does it track 1v/octave 

Two of the list members have built 1v/octave 
expo VCOs with tubes, sir. Thus:
http://www.uni-bonn.de/~uzs159/vtexpo.html
http://www.blaze.net.au/~sasami/synth/

>and isnt it easy to FRY the whole modular(ok mine isnt much.....)
>There are like 150v.......

Use a VOLTAGE DIVIDER on the output, ok? 
All my Metasonix devices are 100% compatible.
They will not "fry the whole modular".

Please. Before you ask another 
question, go read this:
http://kato.sai.com.au/catgirl/synth/tube.html

Eric Barbour
METASONIX